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(No M oooo .3 1 3 Sheets-Sheet 1. W. W. GREEN. DUMPING WAGON.

No. 404,352. f Patented May 28, 1'889..

(NO Model.) 3 sheets-Sheer, 2. W. W. GREEN. DUMPING WAGON.

No. 404.352. Patented May 28, 1889.

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hz-negerai' Mw/ M fd UNITED STATES PATENT OFFICE.

XVILLIAM NV. GREEN, OF CHIOAGO, ILLINOIS, ASSIGNOR OF TXVO-THIRDS TO A. lI. CASEY AND CYRUS D. LANE, OF SAME P-LAOE.

DUMPING-WAGON.

SPECIFICATION forming part of Letters Patent No. 404,352, dated May 28, 1889. Application filed February 12, 1889. Serial No. 299,644. (No model.)

TO all whom it may concern:

Be it known that I, WILLIAM W. GREEN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Dumping-lVagons, of which the following is afull, clear, and exact description, that will enable others to make and use the same, reference being' had to the ro accompanying drawings, forming a part of this specification.

The object of this inv'ention is to provide a dumping-wagon Wherein the box or bed inay be elevated bodily to clear the running-gear,

then swung around and tipped or tilted and the load discharged at any point in the plane i of a circle.

Figure 1 is a side elevation; Fig. 2, a rear end elevation Fig. 3, a vertical transverse sec- 2o tion in plane 3, Fig. 1; Fig. 4, a broken-away longitudinal section in plane 4, Fig. 2; and Fig. 5, a horizontal transverse section in plane 5, Fig. 4.

Referring tov the drawings, A-represents the wagon box or bed, B B' the front and rear bolsters, respectively, and C O' two horizontal parallel framing bars or hounds connecting the front and rear axles.

The cylinder D is placed underneath near the center of the Wagon-box, and extends below the framing-bars, as shown in Figs. 1, 2, and 3. This cylnder is closed at the lower but open at the upper end, and is provided with the laterally-projecting holding-flanges 5 5 a a, which support thecylinder in relation to the framing-bars O C', and secured thereto by means of the bolts a'. The screw-threaded shaft E is arranged vertically in the chainber az of the cylinder, and is provided with a 4o suitable journal-bearing in the lower closed end of said cylinder, as shown in Figs. 3 and 4. A beveled pinion, (63, is mounted 011 the lower part of the screw-threaded shaft and close to the bottom of the cylindrical chainber. A horizontal crank-shaft, F, extends through one side of the cylinder, and has the companion pinion at inounted thereon, and which engages with the pinion ag. On the outer projecting end ofthe shaft F is mounted the hand-crank a. i

The piston or plunger G is inscrted in the chambered cylinder, and has a threaded engagement with the vertical screwshaft E, by the rotation of which a vertical movement is imparted to said piston. This piston is provided with the rectangular fiange b, which rests upon the companion flanges formed on the upper end of the cylinder D when the piston is at its lowest or normal position. The back part of. the flange b is provided 6o with upwardly-projecting lugs b' bg, (see Fig. 3,) and the under side' of the Wagon-box with the corresponding lugs b8 124, projeeting downwardly therefrom. The hinge-rod H passes through these lugs, securing the piston and Wagon-box in proper position relative to each other, and providing for the tilting of the box in dischargin g the load. The transverse cleat cl is fastened to the under side of the Wagonbox inline with the front part of the piston-flange. VVhen the piston is down to its lowest position and the box resting on the bolsters, there is a space, d', between said flange and cleat, as shown in Figs. 1 and 4. Now when the screw-shaft is' rotated by means of the hand-crank and geared connect-ions the back end of the box will be raised first, as indicated by dotted lines in Fig. 1, the front end resting 011 its bolster until the piston-flange comes in contact with the cleat d, when the box will be elevated bodily to the required height to clear the wheels, and may then be swun g around and the load discharged at the desired point, the elevating screw-shaft serving as a pivot for the box to swing on. By rotating the hand-crank in the opposite direction the piston and Wagon-box are returned to their normal position. i By this arrangement the full weight of the load does not come onto the piston at first, but rather 9o gradually, thus easing the Operation.

The rear bolster,B' ,is attached to the ends of the framing-bars O O' by the hinges g g' so that the same may be turned outwardly and downwardly When the load is to -be discharged from the back end of the Wagon.

It is obvious that the elevating inechanism could be easily applied to an ordinary Wagon. I therefore do not limit my improvement with reference to the particular construction and Ioo arrangement of running-gear shown.

Having thus described my invention, what I claiin as new, and desire to secure by Letters Patent, is-- 1. In a dnmping-wagon, the combination, with the box or bed, of a chambered cylinder arranged vertically underneath said bed and supported in the frame-Work of the runninggear, a vertical screW-shaft Working in said cylinder, a verticallf-inoving piston inserted in said eylinder and having` a threaded engagement With said screW-shaft, and a hinged connection With the box or bed, the pinion inonnted on said screw-shaft, the horizontal shaft passing,` through the side of said eylinder, and the pinion and hand-erank mounted on the respective ends of said horizontal shaft, Wliereby the Wagon box or bed niay be elevated, swung on a pivot, and tilted to diseharge the load, snbstantially as set forth.

2. In a dnmping-wagon, the combination, With the fraining-bars, of the chambered cylinder provided With holding-flang'es, as described, and bolted to said bars, the screwshaft arranged vertically on the inside of said cylinder and journaled therein, means for rotating said shaft, the piston, fianged as described and inserted in said cylinder and having' a threaded engagement With said shaft, and the box or bed to which the npper end of said piston is hinged, whereby said box may be raised bodily, tilted, and the load discharged at either side or end of the Wagon, snbstantially as set forth.

The combination, With the Wagon box or bed, of a piston or plnng'er hinged to the nnder side of said box, the cylinder in which said piston has a Vertical movement, the sereW-shaft arranged on the interior of said cylinder and having,` a threaded engagelnent With said piston, the pinion monnted on the screW-shaft, the horizontal shaft having,r a companion pinion inounted on the inner end and a hand-crank on the enter end thereof, Whereby a rotary motion is imparted to the screw-shaft and the piston raised or lowered, as may be required, snbstantially as and for the pnrpose set forth.

4:. In a dumping-Wagon, the combination, With the vertically-moving,` piston provided With a rectangular fiange and having lugs extending upwardly from the back edge thereof, as described, of the box or bed provided With corresponding lugs projecting downwardly therefrom, the horizontal rod mounting' all of said lugs, whereb)7 a hinged connection is formed between the piston and box, and the transverse eleat secured to the under side of said box, a space being` left between said cleat and flange 011 the piston when the latter is at its lowest position, snbstantially as and for the purpose set forth.

5. In a dninping-Wagon, the combination, with the box or bed and frame-work, of a bolstcr hinged to the latter and adapted to be tnrned downwardly ont of the Way when tilting the box, snbstantially as set forth.

WILLIAM W. GREEN.

Titnessesz L. M. FREEMAN, L. i. CoUPLANn. 

